Introduction
Mark types in Tableau control how your data points appear on a chart. Choosing the right mark type helps you show your data clearly, like bars for comparisons or lines for trends.
When you want to compare sales amounts across different regions using bars.
When you want to show how monthly revenue changes over time with a line.
When you want to highlight individual data points with circles on a scatter plot.
When Tableau automatically picks a mark type but you want to customize it for clarity.
When you want to switch between different chart styles to find the best visual fit.